In ΔABC, DE||BC and AD =1/2 BD. If BC=4.5,find DE
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Answered by
9
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Step-by-step explanation:
In triangle ABC, DE parallel to BC
AD/BD=1/2
Given, BC=4.5CM
TO find DE
DE/BC-DE=1/2(by cross multiplication)
2DE=4.5-DE
3DE=4.5
DE=1.5cm
Hence proved
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